diff --git a/doc.zih.tu-dresden.de/tud_theme/stylesheets/extra.css b/doc.zih.tu-dresden.de/tud_theme/stylesheets/extra.css
index ff9786ea30c1880f43701e73e502f06fd8db029d..98c54afa6b64cd8b38b576f52ff6f8117a75cf16 100644
--- a/doc.zih.tu-dresden.de/tud_theme/stylesheets/extra.css
+++ b/doc.zih.tu-dresden.de/tud_theme/stylesheets/extra.css
@@ -110,7 +110,8 @@ strong {
 
 .md-typeset .admonition,
 .md-typeset details,
-.md-typeset code {
+.md-typeset code,
+.highlighttable .linenos {
     font-size: 0.8rem;
 }